diff --git a/Cargo.lock b/Cargo.lock index 4919fa77d..62bbf709f 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -417,7 +417,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d" [[package]] name = "cloud-hypervisor" -version = "49.0.0" +version = "50.0.0" dependencies = [ "anyhow", "api_client", diff --git a/cloud-hypervisor/Cargo.toml b/cloud-hypervisor/Cargo.toml index 579bae8a2..426a52263 100644 --- a/cloud-hypervisor/Cargo.toml +++ b/cloud-hypervisor/Cargo.toml @@ -7,7 +7,7 @@ edition = "2024" homepage = "https://github.com/cloud-hypervisor/cloud-hypervisor" license = "Apache-2.0 AND BSD-3-Clause" name = "cloud-hypervisor" -version = "49.0.0" +version = "50.0.0" # Minimum buildable version: # Keep in sync with version in .github/workflows/build.yaml # Policy on MSRV (see #4318): diff --git a/release-notes.md b/release-notes.md index d839d79c4..82df4ed94 100644 --- a/release-notes.md +++ b/release-notes.md @@ -1,9 +1,19 @@ -- [v49.0](#v490) - - [MSHV Support Improvements](#mshv-support-improvements) +- [v50.0](#v500) + - [Configurable Nested Virtualization Option on x86_64](#configurable-nested-virtualization-option-on-x86_64) + - [Compression Support for QCOW2](#compression-support-for-qcow2) + - [Notable Performance Improvements](#notable-performance-improvements) + - [Developer Experience Improvements](#developer-experience-improvements) + - [Improved File-level Locking Support](#improved-file-level-locking-support) + - [Live Disk Resizing Support for Raw Images](#live-disk-resizing-support-for-raw-images) - [Logging Improvements](#logging-improvements) - - [Removed Default IP and Mask for `virtio-net` Devices](#removed-default-ip-and-mask-for-virtio-net-devices) - [Notable Bug Fixes](#notable-bug-fixes) - [Contributors](#contributors) +- [v49.0](#v490) + - [MSHV Support Improvements](#mshv-support-improvements) + - [Logging Improvements](#logging-improvements-1) + - [Removed Default IP and Mask for `virtio-net` Devices](#removed-default-ip-and-mask-for-virtio-net-devices) + - [Notable Bug Fixes](#notable-bug-fixes-1) + - [Contributors](#contributors-1) - [v48.0](#v480) - [Experimental `fw_cfg` Device Support](#experimental-fw_cfg-device-support) - [Experimental `ivshmem` Device Support](#experimental-ivshmem-device-support) @@ -14,62 +24,62 @@ - [Updated Documentation on Windows Guest Support](#updated-documentation-on-windows-guest-support) - [Policy on AI Generated Code](#policy-on-ai-generated-code) - [Removed SGX Support](#removed-sgx-support) - - [Notable Bug Fixes](#notable-bug-fixes-1) - - [Contributors](#contributors-1) + - [Notable Bug Fixes](#notable-bug-fixes-2) + - [Contributors](#contributors-2) - [v47.0](#v470) - [Block Device Error Reporting to the Guest](#block-device-error-reporting-to-the-guest) - [Nice Error Messages on Exit](#nice-error-messages-on-exit) - [Alphabetically Sorted CLI Options for ch-remote](#alphabetically-sorted-cli-options-for-ch-remote) - - [Notable Bug Fixes](#notable-bug-fixes-2) + - [Notable Bug Fixes](#notable-bug-fixes-3) - [Deprecations](#deprecations) - - [Contributors](#contributors-2) + - [Contributors](#contributors-3) - [v46.0](#v460) - [File-level Locking Support with `--disk`](#file-level-locking-support-with---disk) - [Improved Error Reporting with VM Resizing](#improved-error-reporting-with-vm-resizing) - [IPv6 Address Support with `--net`](#ipv6-address-support-with---net) - [Experimental AArch64 Support with the MSHV Hypervisor](#experimental-aarch64-support-with-the-mshv-hypervisor) - [Deprecated SGX Support](#deprecated-sgx-support) - - [Notable Bug Fixes](#notable-bug-fixes-3) - - [Contributors](#contributors-3) + - [Notable Bug Fixes](#notable-bug-fixes-4) + - [Contributors](#contributors-4) - [v45.0](#v450) - [Experimental `riscv64` Architecture Support](#experimental-riscv64-architecture-support) - [Alphabetically Sorted CLI Options](#alphabetically-sorted-cli-options) - [Improved Downtime of VM Live Migration](#improved-downtime-of-vm-live-migration) - - [Notable Bug Fixes](#notable-bug-fixes-4) - - [Contributors](#contributors-4) -- [v44.0](#v440) - - [Configurable `virtio-iommu` Address Width](#configurable-virtio-iommu-address-width) - - [Notable Performance Improvements](#notable-performance-improvements) - - [New Fuzzers](#new-fuzzers) - [Notable Bug Fixes](#notable-bug-fixes-5) - [Contributors](#contributors-5) -- [v43.0](#v430) - - [Live Migration over TCP Connections](#live-migration-over-tcp-connections) +- [v44.0](#v440) + - [Configurable `virtio-iommu` Address Width](#configurable-virtio-iommu-address-width) - [Notable Performance Improvements](#notable-performance-improvements-1) + - [New Fuzzers](#new-fuzzers) - [Notable Bug Fixes](#notable-bug-fixes-6) - [Contributors](#contributors-6) +- [v43.0](#v430) + - [Live Migration over TCP Connections](#live-migration-over-tcp-connections) + - [Notable Performance Improvements](#notable-performance-improvements-2) + - [Notable Bug Fixes](#notable-bug-fixes-7) + - [Contributors](#contributors-7) - [v42.0](#v420) - [SVE/SVE2 Support on AArch64](#svesve2-support-on-aarch64) - - [Notable Bug Fixes](#notable-bug-fixes-7) + - [Notable Bug Fixes](#notable-bug-fixes-8) - [Sponsorships](#sponsorships) - - [Contributors](#contributors-7) + - [Contributors](#contributors-8) - [v41.0](#v410) - [Experimental "Pvmemcontrol" Support](#experimental-pvmemcontrol-support) - [Sandboxing With Landlock Support](#sandboxing-with-landlock-support) - - [Notable Performance Improvements](#notable-performance-improvements-2) - - [Notable Bug Fixes](#notable-bug-fixes-8) - - [Contributors](#contributors-8) -- [v40.0](#v400) - - [Support for Restoring File Descriptor Backed Network Devices](#support-for-restoring-file-descriptor-backed-network-devices) + - [Notable Performance Improvements](#notable-performance-improvements-3) - [Notable Bug Fixes](#notable-bug-fixes-9) - [Contributors](#contributors-9) +- [v40.0](#v400) + - [Support for Restoring File Descriptor Backed Network Devices](#support-for-restoring-file-descriptor-backed-network-devices) + - [Notable Bug Fixes](#notable-bug-fixes-10) + - [Contributors](#contributors-10) - [v39.0](#v390) - [Variable Sizing of PCI Apertures for Segments](#variable-sizing-of-pci-apertures-for-segments) - [Direct Booting with bzImages](#direct-booting-with-bzimages) - [Support for NVIDIA GPUDirect P2P Support](#support-for-nvidia-gpudirect-p2p-support) - [Guest NMI Injection Support](#guest-nmi-injection-support) - - [Notable Bug Fixes](#notable-bug-fixes-10) - - [Contributors](#contributors-10) + - [Notable Bug Fixes](#notable-bug-fixes-11) + - [Contributors](#contributors-11) - [v38.0](#v380) - [Group Rate Limiter on Block Devices](#group-rate-limiter-on-block-devices) - [CPU Pinning Support for Block Device Worker Thread](#cpu-pinning-support-for-block-device-worker-thread) @@ -77,16 +87,16 @@ - [New 'debug-console' Device](#new-debug-console-device) - [Improved VFIO Device Support](#improved-vfio-device-support) - [Extended CPU Affinity Support](#extended-cpu-affinity-support) - - [Notable Bug Fixes](#notable-bug-fixes-11) - - [Contributors](#contributors-11) + - [Notable Bug Fixes](#notable-bug-fixes-12) + - [Contributors](#contributors-12) - [v37.0](#v370) - [Long Term Support (LTS) Release](#long-term-support-lts-release) - [Multiple PCI segments Support for 32-bit VFIO devices](#multiple-pci-segments-support-for-32-bit-vfio-devices) - [Configurable Named TAP Devices](#configurable-named-tap-devices) - [TTY Output from Both Serial Device and Virtio Console](#tty-output-from-both-serial-device-and-virtio-console) - [Faster VM Restoration from Snapshots](#faster-vm-restoration-from-snapshots) - - [Notable Bug Fixes](#notable-bug-fixes-12) - - [Contributors](#contributors-12) + - [Notable Bug Fixes](#notable-bug-fixes-13) + - [Contributors](#contributors-13) - [v36.0](#v360) - [Command Line Changes](#command-line-changes) - [Enabled Features Reported via API Endpoint and CLI](#enabled-features-reported-via-api-endpoint-and-cli) @@ -95,31 +105,31 @@ - [Unix Socket Backend for Serial Port](#unix-socket-backend-for-serial-port) - [AIO Backend for Block Devices](#aio-backend-for-block-devices) - [Documentation Improvements](#documentation-improvements) - - [Notable Bug Fixes](#notable-bug-fixes-13) - - [Contributors](#contributors-13) + - [Notable Bug Fixes](#notable-bug-fixes-14) + - [Contributors](#contributors-14) - [v35.0](#v350) - [`virtio-vsock` Support for Linux Guest Kernel v6.3+](#virtio-vsock-support-for-linux-guest-kernel-v63) - [User Specified Serial Number for `virtio-block`](#user-specified-serial-number-for-virtio-block) - [vCPU TSC Frequency Included in Migration State](#vcpu-tsc-frequency-included-in-migration-state) - - [Notable Bug Fixes](#notable-bug-fixes-14) - - [Contributors](#contributors-14) + - [Notable Bug Fixes](#notable-bug-fixes-15) + - [Contributors](#contributors-15) - [v34.0](#v340) - [Paravirtualised Panic Device Support](#paravirtualised-panic-device-support) - [Improvements to VM Core Dump](#improvements-to-vm-core-dump) - [QCOW2 Support for Backing Files](#qcow2-support-for-backing-files) - [Minimum Host Kernel Bump](#minimum-host-kernel-bump) - - [Notable Bug Fixes](#notable-bug-fixes-15) - - [Contributors](#contributors-15) + - [Notable Bug Fixes](#notable-bug-fixes-16) + - [Contributors](#contributors-16) - [v33.0](#v330) - [D-Bus based API](#d-bus-based-api) - [Expose Host CPU Cache Details for AArch64](#expose-host-cpu-cache-details-for-aarch64) - - [Notable Bug Fixes](#notable-bug-fixes-16) - - [Contributors](#contributors-16) + - [Notable Bug Fixes](#notable-bug-fixes-17) + - [Contributors](#contributors-17) - [v32.0](#v320) - [Increased PCI Segment Limit](#increased-pci-segment-limit) - [API Changes](#api-changes) - - [Notable Bug Fixes](#notable-bug-fixes-17) - - [Contributors](#contributors-17) + - [Notable Bug Fixes](#notable-bug-fixes-18) + - [Contributors](#contributors-18) - [v31.1](#v311) - [v31.0](#v310) - [Update to Latest `acpi_tables`](#update-to-latest-acpi_tables) @@ -127,15 +137,15 @@ - [Improvements on Console `SIGWINCH` Handler](#improvements-on-console-sigwinch-handler) - [Remove Directory Support from `MemoryZoneConfig::file`](#remove-directory-support-from-memoryzoneconfigfile) - [Documentation Improvements](#documentation-improvements-1) - - [Notable Bug Fixes](#notable-bug-fixes-18) - - [Contributors](#contributors-18) + - [Notable Bug Fixes](#notable-bug-fixes-19) + - [Contributors](#contributors-19) - [v30.0](#v300) - [Command Line Changes for Reduced Binary Size](#command-line-changes-for-reduced-binary-size) - [Basic vfio-user Server Support](#basic-vfio-user-server-support) - [Heap Profiling Support](#heap-profiling-support) - [Documentation Improvements](#documentation-improvements-2) - - [Notable Bug Fixes](#notable-bug-fixes-19) - - [Contributors](#contributors-19) + - [Notable Bug Fixes](#notable-bug-fixes-20) + - [Contributors](#contributors-20) - [v28.2](#v282) - [v29.0](#v290) - [Release Binary Supports Both MSHV and KVM](#release-binary-supports-both-mshv-and-kvm) @@ -145,10 +155,10 @@ - [`AArch64` Documentation Integration](#aarch64-documentation-integration) - [`virtio-block` Counters Enhancement](#virtio-block-counters-enhancement) - [TCP Offload Control](#tcp-offload-control) - - [Notable Bug Fixes](#notable-bug-fixes-20) + - [Notable Bug Fixes](#notable-bug-fixes-21) - [Removals](#removals) - [Deprecations](#deprecations-1) - - [Contributors](#contributors-20) + - [Contributors](#contributors-21) - [v28.1](#v281) - [v28.0](#v280) - [Community Engagement (Reminder)](#community-engagement-reminder) @@ -156,9 +166,9 @@ - [Virtualised TPM Support](#virtualised-tpm-support) - [Transparent Huge Page Support](#transparent-huge-page-support) - [README Quick Start Improved](#readme-quick-start-improved) - - [Notable Bug Fixes](#notable-bug-fixes-21) + - [Notable Bug Fixes](#notable-bug-fixes-22) - [Removals](#removals-1) - - [Contributors](#contributors-21) + - [Contributors](#contributors-22) - [v27.0](#v270) - [Community Engagement](#community-engagement) - [Prebuilt Packages](#prebuilt-packages) @@ -167,41 +177,41 @@ - [Simplified Build Feature Flags](#simplified-build-feature-flags) - [Asynchronous Kernel Loading](#asynchronous-kernel-loading) - [GDB Support for AArch64](#gdb-support-for-aarch64) - - [Notable Bug Fixes](#notable-bug-fixes-22) + - [Notable Bug Fixes](#notable-bug-fixes-23) - [Deprecations](#deprecations-2) - - [Contributors](#contributors-22) + - [Contributors](#contributors-23) - [v26.0](#v260) - [SMBIOS Improvements via `--platform`](#smbios-improvements-via---platform) - [Unified Binary MSHV and KVM Support](#unified-binary-mshv-and-kvm-support) - - [Notable Bug Fixes](#notable-bug-fixes-23) + - [Notable Bug Fixes](#notable-bug-fixes-24) - [Deprecations](#deprecations-3) - [Removals](#removals-2) - - [Contributors](#contributors-23) + - [Contributors](#contributors-24) - [v25.0](#v250) - [`ch-remote` Improvements](#ch-remote-improvements-1) - [VM "Coredump" Support](#vm-coredump-support) - - [Notable Bug Fixes](#notable-bug-fixes-24) + - [Notable Bug Fixes](#notable-bug-fixes-25) - [Removals](#removals-3) - - [Contributors](#contributors-24) + - [Contributors](#contributors-25) - [v24.0](#v240) - [Bypass Mode for `virtio-iommu`](#bypass-mode-for-virtio-iommu) - [Ensure Identifiers Uniqueness](#ensure-identifiers-uniqueness) - [Sparse Mmap support](#sparse-mmap-support) - [Expose Platform Serial Number](#expose-platform-serial-number) - - [Notable Bug Fixes](#notable-bug-fixes-25) + - [Notable Bug Fixes](#notable-bug-fixes-26) - [Notable Improvements](#notable-improvements) - [Deprecations](#deprecations-4) - [New on the Website](#new-on-the-website) - - [Contributors](#contributors-25) + - [Contributors](#contributors-26) - [v23.1](#v231) - [v23.0](#v230) - [vDPA Support](#vdpa-support) - [Updated OS Support list](#updated-os-support-list) - [`AArch64` Memory Map Improvements](#aarch64-memory-map-improvements) - [`AMX` Support](#amx-support) - - [Notable Bug Fixes](#notable-bug-fixes-26) + - [Notable Bug Fixes](#notable-bug-fixes-27) - [Deprecations](#deprecations-5) - - [Contributors](#contributors-26) + - [Contributors](#contributors-27) - [v22.1](#v221) - [v22.0](#v220) - [GDB Debug Stub Support](#gdb-debug-stub-support) @@ -212,13 +222,13 @@ - [PMU Support for AArch64](#pmu-support-for-aarch64) - [Documentation Under CC-BY-4.0 License](#documentation-under-cc-by-40-license) - [Deprecation of "Classic" `virtiofsd`](#deprecation-of-classic-virtiofsd) - - [Notable Bug Fixes](#notable-bug-fixes-27) - - [Contributors](#contributors-27) + - [Notable Bug Fixes](#notable-bug-fixes-28) + - [Contributors](#contributors-28) - [v21.0](#v210) - [Efficient Local Live Migration (for Live Upgrade)](#efficient-local-live-migration-for-live-upgrade) - [Recommended Kernel is Now 5.15](#recommended-kernel-is-now-515) - - [Notable Bug fixes](#notable-bug-fixes-28) - - [Contributors](#contributors-28) + - [Notable Bug fixes](#notable-bug-fixes-29) + - [Contributors](#contributors-29) - [v20.2](#v202) - [v20.1](#v201) - [v20.0](#v200) @@ -227,8 +237,8 @@ - [Improved VFIO support](#improved-vfio-support) - [Safer code](#safer-code) - [Extended documentation](#extended-documentation) - - [Notable bug fixes](#notable-bug-fixes-29) - - [Contributors](#contributors-29) + - [Notable bug fixes](#notable-bug-fixes-30) + - [Contributors](#contributors-30) - [v19.0](#v190) - [Improved PTY handling for serial and `virtio-console`](#improved-pty-handling-for-serial-and-virtio-console) - [PCI boot time optimisations](#pci-boot-time-optimisations) @@ -236,8 +246,8 @@ - [Live migration enhancements](#live-migration-enhancements) - [`virtio-mem` support with `vfio-user`](#virtio-mem-support-with-vfio-user) - [AArch64 for `virtio-iommu`](#aarch64-for-virtio-iommu) - - [Notable bug fixes](#notable-bug-fixes-30) - - [Contributors](#contributors-30) + - [Notable bug fixes](#notable-bug-fixes-31) + - [Contributors](#contributors-31) - [v18.0](#v180) - [Experimental User Device (`vfio-user`) support](#experimental-user-device-vfio-user-support) - [Migration support for `vhost-user` devices](#migration-support-for-vhost-user-devices) @@ -247,23 +257,23 @@ - [Live migration on MSHV hypervisor](#live-migration-on-mshv-hypervisor) - [AArch64 CPU topology support](#aarch64-cpu-topology-support) - [Power button support on AArch64](#power-button-support-on-aarch64) - - [Notable bug fixes](#notable-bug-fixes-31) - - [Contributors](#contributors-31) + - [Notable bug fixes](#notable-bug-fixes-32) + - [Contributors](#contributors-32) - [v17.0](#v170) - [ARM64 NUMA support using ACPI](#arm64-numa-support-using-acpi) - [`Seccomp` support for MSHV backend](#seccomp-support-for-mshv-backend) - [Hotplug of `macvtap` devices](#hotplug-of-macvtap-devices) - [Improved SGX support](#improved-sgx-support) - [Inflight tracking for `vhost-user` devices](#inflight-tracking-for-vhost-user-devices) - - [Notable bug fixes](#notable-bug-fixes-32) - - [Contributors](#contributors-32) + - [Notable bug fixes](#notable-bug-fixes-33) + - [Contributors](#contributors-33) - [v16.0](#v160) - [Improved live migration support](#improved-live-migration-support) - [Improved `vhost-user` support](#improved-vhost-user-support) - [ARM64 ACPI and UEFI support](#arm64-acpi-and-uefi-support) - - [Notable bug fixes](#notable-bug-fixes-33) + - [Notable bug fixes](#notable-bug-fixes-34) - [Removed functionality](#removed-functionality) - - [Contributors](#contributors-33) + - [Contributors](#contributors-34) - [v15.0](#v150) - [Version numbering and stability guarantees](#version-numbering-and-stability-guarantees) - [Network device rate limiting](#network-device-rate-limiting) @@ -271,7 +281,7 @@ - [`--api-socket` supports file descriptor parameter](#--api-socket-supports-file-descriptor-parameter) - [Bug fixes](#bug-fixes) - [Deprecations](#deprecations-6) - - [Contributors](#contributors-34) + - [Contributors](#contributors-35) - [v0.14.1](#v0141) - [v0.14.0](#v0140) - [Structured event monitoring](#structured-event-monitoring) @@ -281,7 +291,7 @@ - [PTY control for serial and `virtio-console`](#pty-control-for-serial-and-virtio-console) - [Block device rate limiting](#block-device-rate-limiting) - [Deprecations](#deprecations-7) - - [Contributors](#contributors-35) + - [Contributors](#contributors-36) - [v0.13.0](#v0130) - [Wider VFIO device support](#wider-vfio-device-support) - [Improved huge page support](#improved-huge-page-support) @@ -289,13 +299,13 @@ - [VHD disk image support](#vhd-disk-image-support) - [Improved Virtio device threading](#improved-virtio-device-threading) - [Clean shutdown support via synthetic power button](#clean-shutdown-support-via-synthetic-power-button) - - [Contributors](#contributors-36) + - [Contributors](#contributors-37) - [v0.12.0](#v0120) - [ARM64 enhancements](#arm64-enhancements) - [Removal of `vhost-user-net` and `vhost-user-block` self spawning](#removal-of-vhost-user-net-and-vhost-user-block-self-spawning) - [Migration of `vhost-user-fs` backend](#migration-of-vhost-user-fs-backend) - [Enhanced "info" API](#enhanced-info-api) - - [Contributors](#contributors-37) + - [Contributors](#contributors-38) - [v0.11.0](#v0110) - [`io_uring` support by default for `virtio-block`](#io_uring-support-by-default-for-virtio-block) - [Windows Guest Support](#windows-guest-support) @@ -307,15 +317,15 @@ - [Default Log Level Changed](#default-log-level-changed) - [New `--balloon` Parameter Added](#new---balloon-parameter-added) - [Experimental `virtio-watchdog` Support](#experimental-virtio-watchdog-support) - - [Notable Bug Fixes](#notable-bug-fixes-34) - - [Contributors](#contributors-38) + - [Notable Bug Fixes](#notable-bug-fixes-35) + - [Contributors](#contributors-39) - [v0.10.0](#v0100) - [`virtio-block` Support for Multiple Descriptors](#virtio-block-support-for-multiple-descriptors) - [Memory Zones](#memory-zones) - [`Seccomp` Sandbox Improvements](#seccomp-sandbox-improvements) - [Preliminary KVM HyperV Emulation Control](#preliminary-kvm-hyperv-emulation-control) - - [Notable Bug Fixes](#notable-bug-fixes-35) - - [Contributors](#contributors-39) + - [Notable Bug Fixes](#notable-bug-fixes-36) + - [Contributors](#contributors-40) - [v0.9.0](#v090) - [`io_uring` Based Block Device Support](#io_uring-based-block-device-support) - [Block and Network Device Statistics](#block-and-network-device-statistics) @@ -328,17 +338,17 @@ - [Enhancements to ARM64 Support](#enhancements-to-arm64-support) - [Intel SGX Support](#intel-sgx-support) - [`Seccomp` Sandbox Improvements](#seccomp-sandbox-improvements-1) - - [Notable Bug Fixes](#notable-bug-fixes-36) - - [Contributors](#contributors-40) + - [Notable Bug Fixes](#notable-bug-fixes-37) + - [Contributors](#contributors-41) - [v0.8.0](#v080) - [Experimental Snapshot and Restore Support](#experimental-snapshot-and-restore-support) - [Experimental ARM64 Support](#experimental-arm64-support) - [Support for Using 5-level Paging in Guests](#support-for-using-5-level-paging-in-guests) - [Virtio Device Interrupt Suppression for Network Devices](#virtio-device-interrupt-suppression-for-network-devices) - [`vhost_user_fs` Improvements](#vhost_user_fs-improvements) - - [Notable Bug Fixes](#notable-bug-fixes-37) + - [Notable Bug Fixes](#notable-bug-fixes-38) - [Command Line and API Changes](#command-line-and-api-changes) - - [Contributors](#contributors-41) + - [Contributors](#contributors-42) - [v0.7.0](#v070) - [Block, Network, Persistent Memory (PMEM), VirtioFS and Vsock hotplug](#block-network-persistent-memory-pmem-virtiofs-and-vsock-hotplug) - [Alternative `libc` Support](#alternative-libc-support) @@ -348,14 +358,14 @@ - [`Seccomp` Sandboxing](#seccomp-sandboxing) - [Updated Distribution Support](#updated-distribution-support) - [Command Line and API Changes](#command-line-and-api-changes-1) - - [Contributors](#contributors-42) + - [Contributors](#contributors-43) - [v0.6.0](#v060) - [Directly Assigned Devices Hotplug](#directly-assigned-devices-hotplug) - [Shared Filesystem Improvements](#shared-filesystem-improvements) - [Block and Networking IO Self Offloading](#block-and-networking-io-self-offloading) - [Command Line Interface](#command-line-interface) - [PVH Boot](#pvh-boot) - - [Contributors](#contributors-43) + - [Contributors](#contributors-44) - [v0.5.1](#v051) - [v0.5.0](#v050) - [Virtual Machine Dynamic Resizing](#virtual-machine-dynamic-resizing) @@ -363,7 +373,7 @@ - [New Interrupt Management Framework](#new-interrupt-management-framework) - [Development Tools](#development-tools) - [Kata Containers Integration](#kata-containers-integration) - - [Contributors](#contributors-44) + - [Contributors](#contributors-45) - [v0.4.0](#v040) - [Dynamic virtual CPUs addition](#dynamic-virtual-cpus-addition) - [Programmatic firmware tables generation](#programmatic-firmware-tables-generation) @@ -372,7 +382,7 @@ - [Userspace IOAPIC by default](#userspace-ioapic-by-default) - [PCI BAR reprogramming](#pci-bar-reprogramming) - [New `cloud-hypervisor` organization](#new-cloud-hypervisor-organization) - - [Contributors](#contributors-45) + - [Contributors](#contributors-46) - [v0.3.0](#v030) - [Block device offloading](#block-device-offloading) - [Network device backend](#network-device-backend) @@ -399,6 +409,92 @@ - [Unit testing](#unit-testing) - [Integration tests parallelization](#integration-tests-parallelization) +# v50.0 + +This release has been tracked in [v50.0 +group](https://github.com/orgs/cloud-hypervisor/projects/6/views/6?filterQuery=release%3A%22Release+50%22) +of our [roadmap project](https://github.com/orgs/cloud-hypervisor/projects/6/). + +### Configurable Nested Virtualization Option on x86_64 + +The `nested=on|off` option has been added to `--cpu` to allow users +to configure nested virtualization support in the guest on x86_64 +hosts (for both KVM and MSHV). The default value is `on` to maintain +consistency with existing behavior. (#7408) + +### Compression Support for QCOW2 + +QCOW2 support has been extended to handle compression clusters based on +zlib and zstd. (#7462) + +### Notable Performance Improvements + +Performance of live migration has been improved via an optimized +implementation of dirty bitmap maintenance. (#7468) + +### Live Disk Resizing Support for Raw Images + +The `/vm.resize-disk` API has been introduced to allow users to resize block +devices backed by raw images while a guest is running. (#7476) + +### Developer Experience Improvements + +Significant improvements have been made to developer experience and +productivity. These include a simplified root manifest, codified and +tightened Clippy lints, and streamlined workflows for `cargo clippy` and +`cargo test`. (#7489) + +### Improved File-level Locking Support + +Block devices now use byte-range advisory locks instead of whole-file +locks. While both approaches prevent multiple Cloud Hypervisor instances +from simultaneously accessing the same disk image with write +permissions, byte-range locks provide better compatibility with network +storage backends. (#7494) + +### Logging Improvements + +Logs now include event information generated by the event-monitor +module. (#7512) + +### Notable Bug Fixes + +* Fix several issues around CPUID in the guest (#7485, #7495, #7508) +* Fix snapshot/restore for Windows Guest (#7492) +* Respect queue size in block performance tests (#7515) +* Fix several Serial Manager issues (#7502) +* Fix several seccomp violation issues (#7477, #7497, #7518) +* Fix various issues around block and qcow (#7526, #7528, #7537, #7546, + #7549) +* Retrieve MSRs list correctly on MSHV (#7543) +* Fix live migration (and snapshot/restore) with AMX state (#7534) + +### Contributors + +Many thanks to everyone who has contributed to our release: + +* Anatol Belski +* Anirudh Rayabharam +* Bo Chen +* Changyuan Lyu +* Chengyu Fu +* Connor Brewster +* Demi Marie Obenour +* Eugene Korenevsky +* Julian Stecklina +* Matt Moriarity +* Muminul Islam +* Oliver Anderson +* Pascal Scholz +* Philipp Schuster +* Praveen K Paladugu +* Rob Bradford +* Sebastien Boeuf +* Songqian Li +* Stefan Nürnberger +* Thomas Prescher +* Wei Liu + # v49.0 This release has been tracked in [v49.0